Pump



FIG. 1 is a perspective view of a pump showing my new design;

FIG. 2 is a front side elevational view thereof;

FIG. 3 is a rear side elevational view thereof;

FIG. 4 is a right end elevational view thereof;

FIG. 5 is a left end elevational view thereof;

FIG. 6 is a top elevational view thereof; and,

FIG. 7 is a bottom elevational view thereof.

The broken line representations of portions of the pump in FIGS. 1-7 do not limit the claimed design. 

The ornamental design for a pump, as shown and described. 